S1565-20456
Cover, Main Rotor Control Lock
III End Item Identification: Sikorsky aircraft models HSS-2 and HR2S-1General Characteristics Item Description: Aluminum alloy, QQ-A-603 comp 3; 3.188 in. lg; 1.156 in. ht; one end threaded 0.875-20 unef 2A per spec MIL-S-7742
